body,*{
    margin: 0;
    padding: 0;
}
a{
    text-decoration: none;/*去掉超链接的下划线*/
}
.wrap{
    width: 100%;
    margin: 0 auto;/*水平居中*/
    /* padding: 50px 0; 垂直居中*/
}
.content{
    width: 90%;
    overflow: hidden;/*清除浮动*/
    margin: 0 auto;
}
/*----------------------------top-------------------------*/
.top{
    width: 100%;
    height: 80px;
    background-color: black;
    color: white;
}
.top-left,.top-mid,.top-right{
    float: left;
    width: 30%;
    overflow: hidden;
}
.top-left img{
    width: 180px;
    margin-top: 5px;
    float: left;
}
.top-left span{/*span是行内元素不能设置高宽，所以使用display能让他拥有块级元素的特性*/
    height: 80px;
    font-size: 20px;
    display:inline-block;/*不换行*/
    line-height: 90px;
}
.top-mid ul{
    width: 100%;
    overflow: hidden;
}
.top-mid li{
    float: left;
    list-style: none;/*修改列的样式，取消点点*/
    height: 80px;
    width: 25%;
    text-align: center;
    line-height: 80px;
}
.top-mid li span{
    color: white;
    font-size: 16px;
}
.top-mid li span:hover{/*伪类*/
    color: red;
}
.top-mid li.active span{
    color: red;
}
.top-right{
    float: right;
}
.top-right img{
    height: 40px;
    margin-top: 20px;
    float: right;
}
.top-right span{
    float: right;
    height: 80px;
    line-height: 80px;
    margin-left: 20px;
}
.top-right button{
    float: right;
    width: 100px;
    height: 40px;
    margin-top: 20px;
    margin-left: 20px;
    background-color: #000000;
    color: white;
    border-radius: 4px;/*菱角变圆*/
    border: 1px solid white;
}
.top-right button:hover{
    background-color: rgb(255, 81, 0);
    border-color: rgb(255, 81, 0);
}
/*----------------------------banner-------------------------*/
.banner{
    width: 100%;
    background-color: #807b7b;
}
.banner-left{
    float: left;
    width: 60%;
    padding-top: 100px;
}
.banner-left h3{
    color: white;
    font-size: 40px;
    margin-bottom: 40px;
}
.banner-left p{
    color: #d6d9dc;
    font-size: 16px;
    line-height: 40px;
    margin-bottom: 20px;
}
.banner-left button{
    background-color: rgb(255, 81, 0);
    width: 200px;
    height: 50px;
    color: white;
    font-size: 20px;
    border: solid rgb(255, 81, 0);
    border-radius: 25px;
}
.banner-left button:hover{
    background-color: transparent;/* 类似于透明色 */
    color: rgb(255, 81, 0);
}
.banner img{
    float: right;
    width: 400px;
}

/*----------------------------tuijian-------------------------*/
.tuijian{
    background-color: black;
    color: white;
    padding: 50px 0;/*上下五十左右为0*/
}
.tuijian li{
    float: left;
    list-style: none;
    width: 25%;
    text-align: center;
}
.tuijian-box h3{
    color: rgb(255, 81, 0);
    font-size: 24px;
    margin-top: 20px;
}
.tuijian_box p{
    font-size: 14px;
}
/*----------------------------icon-------------------------*/
.icon{
    background-color: #dddddd;
    padding: 50px 0 50px;/*上右下*/
}
.icon-header{
    text-align: center;
    margin-bottom: 50px;
}
.icon-header h1 span{
    color: rgb(255, 81, 0);
}
.icon-header>span{
    display: block;
    margin-top: 10px;
    color: gray;
}
.icon-body{
    width: 100%;
    overflow: hidden;/*清除.icon-box的浮动*/
}
.icon-box{
    float: left;
    width: 24%;
    text-align: center;
    border: solid 1px rgb(255, 81, 0);
    margin:0 20px;/*上下0左右20*/
    border-radius: 5px;
    padding: 20px;
}
.icon-box h3{
    color: rgb(255, 81, 0);
    margin-bottom: 20px;
    margin-top: 10px;
}
.icon-box p{
    color: gray;
}
.icon-box img{
    height: 110px;
}
/*----------------------------feature-------------------------*/
.feature{
    padding: 50px 0;
}
.feature-header{
    text-align: center;
    margin-bottom: 30px;
}
.feature-header span{
    width: 100px;
    height: 40px;
    line-height: 40px;
    border-radius: 20px;
    display: inline-block;
    background-color: rgb(255, 81, 0);
    font-size: 14px;
    color: #e2e2e8;
    margin: 0 20px;
}
.feature-header span.active{
    background-color: #8f8c8c;
}
.feature-left{
    float: left;
    width: 50%;
}
.feature-left h1{
    font-weight: 300;
    margin-bottom: 30px;
}
.color-red{
    color: red;
}
.feature-left p{
    font-size: 14px;
    color: #8f8c8c;
    margin-bottom: 30px;
}
.feature-left p img{
    height: 20px;
    margin-bottom: -6px;
}
.font-bolder{
    font-weight: 900;
    line-height: 25px;
}
/* .feature-left>span直接子元素选择器,不选择孙子元素
   .feature-left span选择子元素，也选择孙子元素
*/
.feature-left>span{
    background-color: rgb(255, 81, 0);
    display: inline-block;
    width: 200px;
    height: 35px;
    padding-top: 15px;
    text-align: center;
    border-radius: 10px;
    color: white;
}
.feature-left>span:hover{
    background-color: transparent;
    color:rgb(255, 81, 0);
    border: 1px solid rgb(255, 81, 0);
}
.feature-right{
    float: right;
    width: 40%;
    text-align: right;
}
/*------------------------help-----------------------*/
.help{
    height: 400px;
    background-color: rgb(214, 212, 214);
}
.help-up h1{
    color: rgb(255, 81, 0);
    padding-top: 60px;
    padding-bottom: 40px;
    text-align: center;
}
.help-up hr{
    background-color: gray;
    height: 2px;
    border-bottom: none;
    border-top: none;
    margin-bottom: 40px;
}
.help-down{
    overflow: hidden;
}
.help-left{
    float: left;
}
.help-left img{
    width: 150px;
    height: 150px;
    border-radius: 50%;
    overflow: hidden;
}
.help-right{
    float: right;
}
.help-right p{
    font-size: 15px;
    color: grey;
}
.help-right p.sizes{
    color: rgb(255, 81, 0);
    margin-top: 40px;
    float: left;
    font-size: 15px;
}
.help-right p.sizes span{
    color: gray;
    font-size: 24px;
}
.help-right span.strong{
    font-size: 30px;
    font-style: italic;/*斜体字*/
    float: right;
    margin-top: 40px;
}
/*----------------------------contact-------------------------*/
.contact{
    padding: 30px 0;
    width: 90%;
    margin: 0 auto;
    overflow: hidden;
}
.contact-left{
    width: 50%;
    float: left;
}
.contact-left h3{
    font-size: 30px;
    font-weight: 400;
    color: rgb(255, 81, 0);
    margin-bottom: 20px;
}
.contact-left input{
    width: 220px;
    height: 30px;
    margin-bottom: 10px;
}
.contact-left input[type=email]{
    width: 450px;
}
.contact-left textarea{
    width: 450px;
}
/*属性选择器*/
.contact-left input[type=submit]{
    background-color: rgb(255, 81, 0);
    margin-top: 10px;
    font-size: 20px;
    color: white;
    border: 1px solid rgb(255, 81, 0);
}
.contact-left p{
    font-size: 12px;
    color: grey;
}
.contact-left p span{
    color: rgb(255, 81, 0);
}
.contact-right{
    width: 50%;
    float: right;
    text-align: right;
}
.contact-right img{
    max-width: 400px;
}

/*------------------------footer-----------------------*/
.footer{
    height: 100px;
    background-color: black;
}
.footer-left span{
    font-style: italic;
    color: white;
}
.footer-left{
    float: left;
    padding-top: 45px;
}
.footer-right{
    float: right;
    padding-top: 45px;
    margin-bottom: 20px;
}
.footer-right span{
    color: white;
    padding: 10px 15px 10px 15px;
    background-color: rgb(255, 81, 0);
    border-radius: 20px;
    border: rgb(255, 81, 0) 1px solid;
}
.footer-right span:hover{
    color: rgb(255, 81, 0);
    background-color: white;
}
/*------------------------bottom-----------------------*/
.bottom{
    height: 200px;
    background-color: gray;
    color: white;
}
.bottom-box{
    width: 24%;
    float: left;
    margin-right: 10px;
}
.bottom-box img{
    height: 20px;
    width: 20px;
    margin-bottom: -8px;
}
.bottom-box h3{
    margin: 20px 0;
}
.bottom-box p{
    font-size: 14px;
}
.bottom-box p.heights{
    padding-top: 10px;
}
.bottom-box p span{
    line-height: 40px;
    vertical-align: middle;
    
}
.bottom-box p.colors{
    line-height: 40px;
    color: green;
}
/*------------------------service-----------------------*/
.service{
    height: 600px;
    padding-top: 30px;
    padding-bottom: 80px;
}
.service p.sizes{
    font-size: 32px;
    text-align: center;
}
.service span.colors{
    color: rgb(255, 81, 0);
    text-align: center;
}
.service p{
    font-size: 12px;
    text-align: center;
    margin-top: 10px;
}
.service-left{
    display: inline-block;
    margin-left: 160px;
    margin-right: 230px;
    margin-top: 40px;
}
.service-right{
    display: inline-block;
    margin-right: 160px;
    margin-left: 230px;
}
.service-box p.p-colors{
    color: rgb(255, 81, 0);
    font-size: 18px;
    margin: 10px 0;
}
.service-box img{
    margin-left: 10px;
    width: 150px;
}
.service-box span{
    font-size: 14px;
}
/*------------------------price-----------------------*/
/* price部分 */
.price{
    height: 600px;
    padding-top: 60px;
    background-color: hotpink;
    text-align: center;
}
.contents{
    width: 60%;
    overflow: hidden;/*清除浮动*/
    margin: 0 auto;
}
.contents>p{
    font-size: 24px;
    text-align: center;
    color: white;
    padding-bottom: 10px;
}
.contents>span{
    color: white;
    font-size: 12px;
}
.price-box{
    height: 430px;
    width: 225px;
    background-color: white;
    display: inline-block;
    margin-right: 15px;
    border: 1px solid white;
}
.price-mid{
    height: 475px;
    width: 225px;
    background-color: white;
    display: inline-block;
    margin-right: 15px;
    border: 1px solid white;
}
.price-top{
    width: 100%;
    height: 80px;
    background-color: gray;
    color: white;
    font-size: 20px;
    line-height: 20px;

}
.price-top-mid{
    width: 100%;
    height: 80px;
    background-color: rgb(255, 81, 0);
    color: white;
    font-size: 20px;
    line-height: 20px;
}
.price-top span{
    font-size: 12px;
}
.price-top-mid span{
    font-size: 12px;
}
.price-body{
    font-size: 14px;
    margin-top: 60px;
}
.price-body p.sizes{
    padding: 15px 0;
    font-size: 18px;
}
.price-mid p.sizes{
    color: rgb(255, 81, 0);
}
.price-body p>span{
    font-size: 30px;
}
.price-mid p span{
    font-size: 36px;
    color: black;
}
.price-body p{
    padding: 10px 0;
}
.price-body p.wider{
    font-weight: bold;
    font-size: 16px;
    padding-bottom: 30px;
}
.price-body span.buttons{
    padding: 5px 30px;
    color: rgb(255, 81, 0);
    border: 1px solid rgb(255, 81, 0);
    border-radius: 3px;
}
.price-body span.buttons:hover{
    background-color: rgb(255, 81, 0);
    color: white;
}
.price-body span.mid-buttons{
    background-color: rgb(255, 81, 0);
    color: white;
    padding: 5px 30px;
    border-radius: 3px;
}
.price-body span.mid-buttons:hover{
    background-color: white;
    color: rgb(255, 81, 0);
    border: 1px solid rgb(255, 81, 0);
}
.price-body p.colors{
    color: rgb(255, 81, 0);
    padding-top: 25px;
}
/* footer部分 */
.footer{
    height: 100px;
    background-color: black;
}
.price-footer-left span{
    font-style: italic;
    color: white;
}
.price-footer-left{
    float: left;
    padding-top: 45px;
    margin-left: 10px;
}
.price-footer-right{
    float: right;
    padding-top: 45px;
    margin-bottom: 20px;
    margin-right: 25px;
}
.price-footer-right span{
    color: white;
    padding: 10px 15px 10px 15px;
    background-color: rgb(255, 81, 0);
    border-radius: 20px;
    border: rgb(255, 81, 0) 1px solid;
}
.price-footer-right span:hover{
    color: rgb(255, 81, 0);
    background-color: white;
}
/* bottom部分 */
.price-bottom-box{
    float: left;
    width: 170px;
    margin-left: 18px;
}
.price-bottom-box img{
    height: 20px;
    width: 20px;
    margin-bottom: -10px;
}
.price-bottom-box h3{
    margin: 20px 0;
}
.price-bottom-box p{
    font-size: 12px;
}
.price-bottom-box p.heights{
    padding-top: 10px;
}
.price-bottom-box p span{
    line-height: 40px;
    vertical-align: middle;
    
}
.price-bottom-box p.colors{
    color: green;
    line-height: 40px;
}
/*------------------------about-----------------------*/
.about-box{
    background-color: seagreen;
    height: 120px;
}
/* about部分 */
.about-about{
    height: 280px;
    overflow: hidden;
    margin: 30px 0;
}
.about-left{
    float: left;
    margin-right: 60px;
    margin-left: 120px;
}
.about-left img{
    height: 250px;
}
.about-right{
    margin-right: 120px;
}
.about-right span{
    color: rgb(255, 81, 0);
    font-size: 28px;
    line-height: 10px;
    margin-left: 40px;
    
}
.about-right p{
    font-size: 12px;
    line-height: 25px;
}
/* team部分 */
.about-team{
    height: 300px;
    overflow: hidden;
    padding: 60px 0;
    background-color: rgb(219, 219, 219);
}
.team-left{
    float: left;
    margin-right: 60px;
    margin-left: 180px;
    margin-top: 120px;
}
.team-left img{
    height: 150px;
    border-radius: 50%;
}
.team-right{
    margin-right: 160px;
    overflow: hidden;
}
.team-right h2{
    margin-left: 80px;
}
.team-right>span{
    color: rgb(255, 81, 0);
    font-size: 28px;
    line-height: 10px;
    margin-left: 140px;
}
.team-right p span{
    display: block;/*将span行内元素转换成块级元素*/
    margin-bottom: 30px;
}
.team-right p{
    font-size: 12px;
    color: gray;
    line-height: 25px;
}
.team-right p.colors{
    color: rgb(255, 81, 0);
    float: right;
    display: block;
    margin-top: 20px;
    font-size: 18px;
}
/* touch部分 */
.about-touch{
    height: 280px;
    overflow: hidden;
    margin: 30px 0;
}
.touch-left{
    float: left;
    margin-right: 60px;
    margin-left: 120px;
}
.touch-left img{
    height: 250px;
}
.touch-right{
    margin-right: 120px;
}
.touch-right span{
    color: rgb(255, 81, 0);
    font-size: 28px;
    line-height: 10px;
    margin-left: 40px;
    
}
.touch-right p{
    margin-top: 5px;
    font-size: 12px;
    line-height: 15px;
}
